89429560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{203249}}^1$

素因数の和:203271

約数の個数: 32

約数和(自身を含む): 219510000

約数和(自身を除く): 130080440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 203249, 406498, 812996, 1016245, 1625992, 2032490, 2235739, 4064980, 4471478, 8129960, 8942956, 11178695, 17885912, 22357390, 44714780, 89429560]

約数ペア:

[(1, 89429560), (2, 44714780), (4, 22357390), (5, 17885912), (8, 11178695), (10, 8942956), (11, 8129960), (20, 4471478), (22, 4064980), (40, 2235739), (44, 2032490), (55, 1625992), (88, 1016245), (110, 812996), (220, 406498), (440, 203249)]